Merge pull request ReactiveX#127 from matthewmichihara/master

Update README

Author: benjchristensen

README.md

@@ -10,7 +10,7 @@ Some of the goals of RxJava are:
 <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-groovy">Groovy</a>, 
 <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-clojure">Clojure</a>, 
 <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-scala">Scala</a> 
-<a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-jruby">and JRuby</a>. 
+and <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-jruby">JRuby</a>. 
 New language adapters can be <a href="https://github.com/Netflix/RxJava/wiki/How-to-Contribute">contributed</a>.
 - Support Java 5 (to include Android support) and higher with an eventual goal to target a build for Java 8 with its lambda support.